Transformed struggling Univision into world's leading Spanish-language broadcaster. Bought channel for $550 million in 1992 with Latin American partners; sold in March to a Haim Saban group for $13.7 billion. "Jerry" began as talent agent for MCA. With Norman Lear (All in the Family), formed Embassy Communications; sold programming interests to Coca-Cola for $485 million 1985. Press-shy mogul one of largest landholders in Malibu. Lifelong Republican, campaign finance co-chair for Senator John McCain's faltering campaign for President.